[Land-speed] Sleeving a motor.. for the stay at home racer motorheads

[John Burk]

Mayf

Imbalance adds no stress to engine parts . If sleeving one cylinder to 4" 
makes your engine a D go for it . I'd be happy to clarify my balance vs. 
stress statement .

John Burk


> Any number of times people have told me to sleeve my motor down to a size 
> that would permit it to be within the D class displacement constraints. 
> My current motor is a ford 5.0 with a standard 0.030 over bore.  Seems 
> like that would be an acceptable size, but just isn't so! That bore puts 
> the motor at 3067.133 cubic inches displacement. Just a measly 0.134 cubic 
> inches out of class.  Almost as if i was supposed to be that way, lol.. 
> but who would do such a thing...
> In any case I sat here and wondered about sleeving two cylinders, one on 
> each bank.  That made me think I don't know squat about sleeving and the 
> effects. So, would it be better to do one on each side and on teh same 
> crank throw or on different crank throws still on opposite sides. One in 
> front one in back? In the middle of the crank?  How would these positions 
> affect crank harmonics?  What about the balance aspect of it. Seems that 
> if on a different throw then balance would be unsymetrical.
>
> No, not planning on doing this but it is a curiousity to me, something I 
> would like to hear thoughts about.  Or is it, in reality, picking fly poop 
> out of the pepper and makes no difference at all.
>
> On a separate note, I need some 4.03 diameter ford 289 pistons. Forged... 
> gota get a motor together for the orange car.
>
> mayf